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Provisions (Tables)
12 Months Ended
Dec. 31, 2022
Other Provisions, Contingent Liabilities And Contingent Assets [Abstract]  
Disclosure of other provisions
FOR THE YEAR ENDED DECEMBER 31 NOTE AROs
Other (1)
Total
January 1, 2022 182  226  408 
Additions 12  38  50 
Usage (4) (38) (42)
Reversals (25) (29) (54)
December 31, 2022 165  197  362 
Current 23 28  46  74 
Non-current 28 137  151  288 
December 31, 2022 165  197  362 
(1) Other includes environmental, legal, vacant space and other provisions.